16 Ounces. Shampoo Treatment for Thinning Hair. Independent Laboratory tests prove Thick 'n Hair Shampoo Plus actually thickens hair. Adds thickness and volume to each tiny hair strand. Rich, gentle, high foaming lather. Ultimate repair of cuticle and hair shaft without the use of over softening conditioners. Mends split ends and frizzies. Ideal for blow drying and heat styling. Protects hair against damage caused by heat appliances. No tangles...Easy wet and dry combing. Complete hair control...No fly away. Leaves hair with lots of body, luster and shine. Thick 'n Hair Shampoo Plus for thinning hair is time activated and will thicken and bodify all hair types in 15 seconds regardless of texture. Organic and natural products have been added to help moisturize and condition hair and scalp.